Pinouts >  HDD and other storage devices connectors
Pin Name Dir Description
1-16 GND --- Ground
17 TERMPWR <-> Termination Power
18 TERMPWR <-> Termination Power
19 res <-> reserved
20-34 GND --- Ground
35 DB12 <-> Data Bus 12
36 DB13 <-> Data Bus 13
37 DB14 <-> Data Bus 14
38 DB15 <-> Data Bus 15
39 DPB1 <-> Data Parity (odd Parity)
40 DB0 <-> Data Bus 0
41 DB1 <-> Data Bus 1
42 DB2 <-> Data Bus 2
43 DB3 <-> Data Bus 3
44 DB4 <-> Data Bus 4
45 DB5 <-> Data Bus 5
46 DB6 <-> Data Bus 6
47 DB7 <-> Data Bus 7
48 DPB <-> Data Parity (odd Parity)
49 GND --- Ground
50 GND --- Ground
51 TERMPWR <-> Termination Power
52 TERMPWR <-> Termination Power
53 res --- reserved
54 GND --- Ground
55 /ATN <-- Attention
56 GND --- Ground
57 /BSY <-> Busy
58 /ACK <-- Acknowledge
59 /RST <-> Reset
60 /MSG --> Message
61 /SEL <-> Select
62 /C/D --> Control/Data
63 /REQ --> Request
64 /I/O --> Input/Output
65 DB8 <-> Data Bus 8
66 DB9 <-> Data Bus 9
67 DB10 <-> Data Bus 10
68 DB11 <-> Data Bus 11

Note: Direction is Device relative Bus (other Devices). Not sure about numbering. May be reversed.

68 pin hi-density D-SUB female connector layout
68 pin hi-density D-SUB female connector
at the controller & devices
68 pin hi-density D-SUB male connector layout
68 pin hi-density D-SUB male connector
at the cable
According to 1 reports in our database (0 positive and 1 negative) this pinout may be incorrect.

Is this pinout
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